Fixtype of curve choices.
For now there is just one choice, namely Edwards BLS12.
Function:
(defun curve-equiv$inline (acl2::x acl2::y) (declare (xargs :guard (and (curvep acl2::x) (curvep acl2::y)))) (equal (curve-fix acl2::x) (curve-fix acl2::y)))
Theorem:
(defthm curve-equiv-is-an-equivalence (and (booleanp (curve-equiv x y)) (curve-equiv x x) (implies (curve-equiv x y) (curve-equiv y x)) (implies (and (curve-equiv x y) (curve-equiv y z)) (curve-equiv x z))) :rule-classes (:equivalence))
Theorem:
(defthm curve-equiv-implies-equal-curve-fix-1 (implies (curve-equiv acl2::x x-equiv) (equal (curve-fix acl2::x) (curve-fix x-equiv))) :rule-classes (:congruence))
Theorem:
(defthm curve-fix-under-curve-equiv (curve-equiv (curve-fix acl2::x) acl2::x) :rule-classes (:rewrite :rewrite-quoted-constant))
Theorem:
(defthm equal-of-curve-fix-1-forward-to-curve-equiv (implies (equal (curve-fix acl2::x) acl2::y) (curve-equiv acl2::x acl2::y)) :rule-classes :forward-chaining)
Theorem:
(defthm equal-of-curve-fix-2-forward-to-curve-equiv (implies (equal acl2::x (curve-fix acl2::y)) (curve-equiv acl2::x acl2::y)) :rule-classes :forward-chaining)
Theorem:
(defthm curve-equiv-of-curve-fix-1-forward (implies (curve-equiv (curve-fix acl2::x) acl2::y) (curve-equiv acl2::x acl2::y)) :rule-classes :forward-chaining)
Theorem:
(defthm curve-equiv-of-curve-fix-2-forward (implies (curve-equiv acl2::x (curve-fix acl2::y)) (curve-equiv acl2::x acl2::y)) :rule-classes :forward-chaining)